
Looking like an aerial shot of the Grand Canyon this is in fact a picture of a single groove in a record magnified one thousand times. It may look like a bumpy ride but those waves are what produces the sound.
Here’s a 500x magnified photo of the same record:

And for comparison here’s what a CD looks like:

Taken using an electron microscope, the photographs were taken by the Institute of Optics at the University of Rochester.
